To what extent did the labour tax reform affect the degree of income inequality, as measured by the Gini coefficient in Latvia in 2025?SL
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A
Official IB Result
IB Grade: A
Criteria A: Focus and Method
5/6
0
3
6
Criteria StrandsPro
A.1Topic communication and appropriateness
Excellent
A.2Research question clarity and focus
Excellent
A.3Methodology completeness and appropriateness
Good
Criteria Feedback
- The student communicates a clear and well-bounded investigation into a specific policy change, place, period, and measurable outcome.
- The student's research question stays closely connected to the calculations and comparisons throughout the essay.
- The student uses a sensible mix of legislation, official statistics, and inequality data to support the method.
- The investigation is limited by using employee income bands rather than a full household disposable-income measure.
- The January–October data window leaves the method incomplete unless the student clearly justifies why it is representative.
- Some methodological assumptions, such as interval midpoints and the treatment of the top income group, need stronger justification.
Criteria B: Knowledge and Understanding
5/6
0
3
6
Criteria StrandsPro
B.1Application and relevance of source material
Excellent
B.2Knowledge of topic/discipline
Excellent
B.3Use of terminology and concepts
Excellent
Criteria Feedback
- The student applies source material directly to the investigation rather than using it descriptively.
- The student shows a solid grasp of taxation, redistribution, gross and net income, Lorenz curves, and the Gini coefficient.
- The student's terminology is generally accurate and used consistently in an economics context.
- The student's comparison between employee income inequality and official household-based inequality needs a clearer explanation.
- A few terms and interpretations are slightly imprecise, such as the wording used for the Lorenz curve movement.
- The distinction between the statutory tax schedule and the broader causes of inequality could be clearer.
Criteria C: Critical Thinking
10/12
0
6
12
Criteria StrandsPro
C.1Research quality and relevance
Moderate
C.2Analysis depth
Moderate
C.3Discussion and evaluation
Moderate
Criteria Feedback
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- Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.
- Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur.
- Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.
Criteria D: Presentation
4/4
0
2
4
Criteria StrandsPro
D.1Structure appropriateness
Excellent
D.2Layout and formatting
Excellent
Criteria Feedback
- Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.
- Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.
- Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur.
- Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.